1628469794 has 16 divisors (see below), whose sum is σ = 2825299008. Its totient is φ = 689506512.

The previous prime is 1628469743. The next prime is 1628469811. The reversal of 1628469794 is 4979648261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699557 + ... + 701880.

It is an arithmetic number, because the mean of its divisors is an integer number (176581188).

Almost surely, 2^1628469794 is an apocalyptic number.

1628469794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1628469794 is a deficient number, since it is larger than the sum of its proper divisors (1196829214).

1628469794 is a wasteful number, since it uses less digits than its factorization.

1628469794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401529.

The product of its digits is 5225472, while the sum is 56.

The square root of 1628469794 is about 40354.3032897360. The cubic root of 1628469794 is about 1176.5035332893.

The spelling of 1628469794 in words is "one billion, six hundred twenty-eight million, four hundred sixty-nine thousand, seven hundred ninety-four".